Two inmates make written contact through a personal ad that is hidden and found in a pair of work trousers. The pen-pal relationship turns into love, whose future remains uncertain after a personal encounter.
Unfortunately the movie Schloß und Siegel is not yet available on Disney Plus.
| Directing | Heidi Ulmke | Director |
| Art | Jürgen Lorenz | Props |
| Art | Günter Meister | Props |
| Sound | Jürgen Edelmeyer | Sound |
| Sound | Hans-Dieter Schwarz | Sound Mixer |
| Camera | Barbara Aumüller | Still Photographer |
| Sound | Geraldine Blecker | Playback Singer |
| Production | Rolf Schäfer | Production Assistant |
| Production | Axel Unbescheid | Unit Manager |
| Sound | Peter W. Schmitt | Original Music Composer |
| Directing | Christian Hannoschöck | Continuity |
| Writing | Heidi Ulmke | Writer |
| Camera | Jörg Jeshel | Director of Photography |
| Art | Klaus Wischmann | Production Design |
| Writing | Geraldine Blecker | Writer |
| Editing | Susanne Hartmann | Editor |
| Production | Ute Lüers | Production Manager |
| Camera | Frank Grunert | Assistant Camera |
| Lighting | Peter Matthäi | Lighting Technician |
| Sound | Karl-Heinz Jung | Sound Assistant |
| Production | Michael Smeaton | Producer |
| Costume & Make-Up | Doris Engelke | Costume Design |
| Editing | Katrin Suren | Assistant Editor |
| Crew | Liane Jessen | Commissioning Editor |
| Costume & Make-Up | Marie-Ena Wolf | Makeup Artist |
| Lighting | Uwe Heller | Lighting Technician |
